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  • Rare earth elements of sinking particulate matter in

    Rare earth elements of sinking particulate matter in the Japan Trench. Author links open overlay panel Dorte Lerche Yoshiyuki Nozaki. ... 1991 to March 2, 1992. The composition of rare earth elements (REEs) in the sinking particles selected for four seasons were measured to investigate the REE fractionation during scavenging and settling ...

  • Rare earth element components in atmospheric

    Cited by: 20
  • Investigation of rare earth particulate on tribological ...

    Cited by: 3
  • Using rare earth elements to constrain particulate

    Cited by: 7
  • (PDF) Particulate Rare Earth Element behavior in the

    Particulate Rare Earth Elemen t behavior in the North Atlantic (GEOVIDE cruise) Marion Lagarde 1 , Nolwenn L emaitre 2 , Hélène Planquette 3 , Mélanie Greni er 1 , Moustafa Belhadj 1 , Pascale

  • Investigation of rare earth particulate on tribological ...

    Cited by: 3
  • BGD - Particulate Rare Earth Element behavior in the

    Author: Marion Lagarde, Nolwenn Lemaitre, Hélène Planquette, Mélanie Grenier, Moustafa Belhadj, Pascale Lher...
  • US8629077B2 - Rare earth alumina particulate

    Cited by: 9
  • Using rare earth elements to constrain particulate

    Cited by: 7
  • Particulate Rare Earth Element behavior in the North ...

    Author: Marion Lagarde, Nolwenn Lemaitre, Hélène Planquette, Mélanie Grenier, Moustafa Belhadj, Pascale Lher...
  • "Processing and protection of rare earth permanent

    solidification of novel mixed rare earth-iron-boron, MRE2 Fe14B (MRE = Nd, Y, Dy; currently), magnet alloys via high pressure gas atomization (HPGA) have produced similar properties and structures as closely related alloys produced by melt spinning (MS) at low wheel speeds. Recent additions of titanium carbide and zirconium to the permanent magnet (PM) alloy design in HPGA powder (using ...

  • Rare earth element components in atmospheric

    Rare earth element components in atmospheric particulates in the Bayan Obo mine region. Wang L(1), Liang T(2), Zhang Q(3), Li K(3). Author information: (1)Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.

  • Geochemistry of Rare Earth Elements in the Suspended ...

    Forty-four sediment samples were collected from the Xiangjiang River and its tributary,and its REE concentrations were analyzed using Inductively Coupled Plasma-Mass Spectrometry(ICP-MS).The total REE concentration(∑REE),light-REE(LREE) and heavy-REE ...

  • Accumulation and fractionation of rare earth elements in ...

    2014-2-18  In this paper, atmospheric particulates including total suspended particulate (TSP) matter and particles with an equivalent aerodynamic diameter less than 10 mm(PM10) were collected around a rare earth mine tailing in Baotou, the largest rare earth industrial base in

  • Particulate Rare Earth Element behavior in the North ...

    2020-1-7  1 Particulate Rare Earth Element behavior in the North Atlantic (GEOVIDE cruise) Marion Lagarde 1, Nolwenn Lemaitre 2, Hélène Planquette 3, Mélanie Grenier 1, Moustafa Belhadj 1, Pascale Lherminier 4, Catherine Jeandel 1 5 1 LEGOS, University of Toulouse, CNRS, CNES, IRD, UPS, Toulouse, 31400, France 2 ETH, Zurich, IGP, Zurich, Switzerland 3 LEMAR, University of Brest,

  • Using rare earth elements to constrain particulate

    Detailed procedures have been reported in Hung et al. 1 Concentrations of rare earth elements in the sinking particles, processed by the total digestion method using a mixture of the acids HF, HNO ...

  • Rare earth oxides (high purity, particulate, spherical ...

    Rare earth is a generic name for 17 elements. Its applications range from phosphor applications, various ceramic sintering aids, plasma-resistant coating materials, scintillators for medical purposes, fuel cells, and catalysts. Shin-Etsu Chemical’s Rare Earth Products (Shin-Etsu Rare Earth) offer a lineup tailored to customer needs through advanced separation and purification technologies ...

  • Rare earth elements distribution in seawater and

    2018-6-3  Rare earth element (REE) content in suspended and dissolved phases from the Strait of Sicily (Central Mediterranean Sea) has been measured. Vertical profiles of several dissolved REEs along the water column reflect the 3-D oceanographic features of the studied area and identifies the different water masses present there. Shale-normalized REE distribution patterns and derived parameters ...

  • Atmospheric Signature and Potential Sources of Rare

    2020-6-6  ABSTRACTThe atmospheric signature and potential sources of rare earth elements (REEs) in ambient particulate matter (PM) collected at urban (ZH) and background sites (ZWY) between February 2011 and January 2012 in the Yangtze River Delta region were investigated in this study. The average total concentrations of REEs for TSP, PM10 and PM2.5 were measured to be 11.98, 9.37, 2.24 ng

  • Processing and protection of rare earth permanent

    2018-8-15  Processing and protection of rare earth permanent magnet particulate for bonded magnet applications Peter Kelly Sokolowski Iowa State University Follow this and additional works at:https://lib.dr.iastate.edu/rtd Part of theMaterials Science and Engineering Commons

  • Processing and protection of rare earth permanent

    2018-8-15  Processing and protection of rare earth permanent magnet particulate for bonded magnet applications Peter Kelly Sokolowski Iowa State University Follow this and additional works at:https://lib.dr.iastate.edu/rtd Part of theMaterials Science and Engineering Commons

  • (PDF) Rare earth elements distribution in seawater and ...

    Rare earth elements distribution in seawater and suspended particulate of the Central Mediterranean Sea Article (PDF Available) in Chemistry and Ecology 20(5):323-343 October 2004 with 200 Reads

  • Rare Earth Elements (particulate and dissolved) in the ...

    Rare Earth Elements (particulate and dissolved) in the Southern Ocean measured during MD166 Bonus-GoodHope (IPY-GEOTRACES) Responsible investigator Dr Catherine Jeandel email: [email protected] Laboratoire d'Etudes en Géophysique et Océanographie Spatiales LEGOS 14 avenue Edouard BELIN 31400 TOULOUSE France Data contributor

  • Bioaccessiblity and exposure assessment of PM2.5- and ...

    2020-4-21  X-MOL提供的期刊论文更新,Journal of Hazardous Materials——Bioaccessiblity and exposure assessment of PM2.5- and PM10-bound rare earth elements in Oil City, Northeast China.,Peng Gao,Hu Jian,Yanfeng Xing,Xu Tianxing,Xin Chen, Jia

  • RARE EARTH ALUMINA PARTICULATE

    2010-11-11  A rare earth alumina particulate composition manufacturing method and application are disclosed. The rare earth alumina of the invention is a particulate of porous structure with a molecular formula (RE x Al 1-x) 2 O 3, phase γ or γ+δ characterized by a particle size distribution ranging from 1 to 80 μm with a D 50 of 5 to 15 μm, a pore size distribution ranging from 0.4-200 nm with an ...

  • Rare earth alumina particulate manufacturing method

    2014-1-14  A rare earth alumina particulate composition manufacturing method and application are disclosed. The rare earth alumina of the invention is a particulate of porous structure with a molecular formula (RE x,Al 1-x) 2 O 3, phase γ or γ+δ characterized by a particle size distribution ranging from 1 to 80 μm with a D 50 of 5 to 15 μm, a pore size distribution ranging from 0.4-200 nm with an ...

  • The effect of particulate dissolution on the

    The exchange of material between particulates and seawater along the continental margins, a process commonly referred to as boundary exchange, is thought to play a significant role in controlling the neodymium (Nd) isotope and Rare Earth Element (REE) composition of the oceans. This study provides experimental verification of this concept by quantifying the effect of particulate dissolution in ...

  • Atmospheric Signature and Potential Sources of Rare

    2015). Research of occupational risks related to rare earth elements had shown a possible long-term risk of rare-earth pneumoconiosis in occupational workers based on a large accumulation of REEs in the lungs and lymph nodes of workers (Pietra et al., 1984). Therefore, PM pollution is likely poses a significant threat to human health when exposure

  • Rare earth element distributions in anoxic waters of

    Rijksuniversiteit Groningen founded in 1614 - top 100 university. Sluiten. Menu en zoeken; Contact; My University; Student Portal

  • Boom in Mining Rare Earths Poses Mounting Toxic

    The mining of rare earth metals, used in everything from smart phones to wind turbines, has long been dominated by China. But as mining of these key elements spreads to countries like Malaysia and Brazil, scientists warn of the dangers of the toxic and radioactive

  • Rare earths Institute of Rare Earths and Strategic

    Rare Earths / Rare Earth Elements / REE. Rare earths, each member of the group of chemical elements consisting of three elements of the group 3 (scandium [Sc], yttrium [Y] and lanthanum [La]) and the first extended series of elements below the main body of the periodic table (Cer [Ce ] by Lutetium [Lu]).

  • Particulate Rare Earth Element behavior in the North ...

    2018-10-9  Particulate Rare Earth Element behavior in the North Atlantic (GEOVIDE cruise) MARION LAGARDE1, NOLWENN LEMAITRE2 HELENE PLANQUETTE3, MELANIE GRENIER1 MOUSTAFA BELHADJ1, CATHERINE JEANDEL1,* 1 LEGOS, Université de Toulouse, Fr. 2 ETH, Zurich, IGP, Zurich, CH. 3 LEMAR, Université de Brest, Fr. * [email protected] The North

  • Processing and Protection of Rare Earth Permanent

    A solid solution of three rare earths (RE) in the RE 2 Fe 14 B structure have been combined to create the novel mixed rare earth iron boron (MRE 2 Fe 14 B) alloy family. MRE 2 Fe 14 B exhibits reduced temperature dependent magnetic properties; remanence and coercivity. The desired form of MRE 2 Fe 14 B is a powder that can be blended with a polymer binder and compression or injection molded to ...

  • Major, Trace and Rare Earth Element ... - SpringerLink

    Abstract. The study presents data on the major, trace, and rare earth element (REE) composition of suspended particulate material (SPM) of the majors rivers draining to the Laptev Sea (the Lena, Yana, and Khatanga), as well as their major tributaries.

  • Future Directions in Rare Earth Research: Critical ...

    2011-9-1  Arial Calibri Ames Lab 10 1_Ames Lab 10 2_Ames Lab 10 Future Directions in Rare Earth Research: Critical Materials for 21st Century Industry Slide 2 Research Opportunities Slide 4 Historical Developments and Requirements Research in Permanent Magnet Materials Slide 7 Rare Earth Phosphors Research in Phosphors SUBSTITUTION SUBSTITUTION/DISCOVERY ...

  • Rare earth elements in seawater: particle association ...

    Dissolved (<0.04 μm, not <0.4 μm) and total acid-soluble concentrations of rare earth elements (REEs) and yttrium were measured by using ICP mass spectrometry in the seawaters obtained from various depths in the western North Pacific near Japan. The difference, i.e., acid-soluble particulate fraction, was found to be small, 2-5% for all tri-valent light and middle REEs and less than 1% for ...

  • The effect of particulate dissolution on the

    The effect of particulate dissolution on the neodymium (Nd) isotope and Rare Earth Element (REE) composition of seawater By C. R. Pearce, M. T. Jones, E. H. Oelkers, C. Pradoux and C. Jeandel No static citation data No static citation data Cite

  • Laser cladding in-situ carbide particle reinforced Fe-based ...

    【摘要】:Particulate reinforced metal matrix composite(PR-MMC) has excellent properties such as good wear resistance,corrosion resistance and high temperature properties.Laser cladding is usually used to form PR-MMC on metal surface with various volume fractions of ceramic particles.Recent literatures showed that laser melting of powder mixture containing carbon and carbide-forming ...

  • Rare Earth Technology for Low-Level Phosphorus Removal

    2019-2-19  Rare Earth Technology used in Wastewater Industry Introduced in 2013 as SorbX Has been used in over 50 facilities in over 20 states, including Wisconsin, Virginia, Pennsylvania, New York, Minnesota, Vermont, Ohio, Illinois, Wisconsin, Indiana, Texas,

  • Rare Earth Elements and Other Metals in ... -

    Atmospheric particulate matter (APM) wascollected in Delft, in the western part of theNetherlands, on micro-quartz fibre filters fromJuly to September, 1997. The concentrations of rareearth elements (REE) and 9 other metals (Cd, Pb, Fe,V, Ti, Mg, Ca, Na and Al) in the APM were determinedby Inductively Coupled Plasma Mass Spectrometry(ICP-MS) and Inductively Coupled Plasma

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    The materials of processing: *

    • Granite
    • Limestone
    • Basalt
    • Pebble
    • Gravel
    • Gypsum
    • Marble
    • Barite
    • Quartz
    • Dolomite
    • Gold Ore
    • Copper ore
    * *

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